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RESTATEMENT OF UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS (Tables) - Revision of Prior Period, Error Correction, Adjustment [Member] | 9 Months Ended
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Mar. 31, 2021
Balance Sheet [Member] |
RESTATEMENT OF UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
|  | March 31, 2021 |
Assets |  | (unaudited) |
(dollars in thousands) |  | As Previously Reported |  |  | Restatement Adjustments |  |  | As Restated |
Current Assets |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 9,479 |  |  | $ | - |  |  | $ | 9,479 |
Restricted cash |  |  | 1,000 |  |  |  | - |  |  |  | 1,000 |
Investments in securities at fair value |  |  | 6,322 |  |  |  | - |  |  |  | 6,322 |
Accounts and other receivables |  |  | 2,645 |  |  |  | - |  |  |  | 2,645 |
Prepaid expenses |  |  | 430 |  |  |  | - |  |  |  | 430 |
Total Current Assets |  |  | 19,876 |  |  |  | - |  |  |  | 19,876 |
Net Property and Equipment |  |  | 1,388 |  |  |  | - |  |  |  | 1,388 |
Other Assets |  |  |  |  |  |  |  |  |  |  |  |
Investments in equity securities at fair value, non-current |  |  | 18,635 |  |  |  | (1,696 | ) |  |  | 16,939 |
Investments in available-for-sale debt securities at fair value |  |  | 16,470 |  |  |  | 7,457 |  |  |  | 23,927 |
Other investments |  |  | 2,940 |  |  |  | - |  |  |  | 2,940 |
Investments in held-to-maturity debt securities |  |  | 1,000 |  |  |  | - |  |  |  | 1,000 |
Equity method investments |  |  | 596 |  |  |  | - |  |  |  | 596 |
Right of use assets |  |  | 56 |  |  |  | - |  |  |  | 56 |
Other assets, non-current |  |  | 100 |  |  |  | - |  |  |  | 100 |
Total Other Assets |  |  | 39,797 |  |  |  | 5,761 |  |  |  | 45,558 |
Total Assets |  | $ | 61,061 |  |  | $ | 5,761 |  |  | $ | 66,822 |
Liabilities and Shareholders’ Equity |  |  |  |  |  |  |  |  |  |  |  |
Current Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable |  | $ | 72 |  |  | $ | - |  |  | $ | 72 |
Accrued compensation and related costs |  |  | 692 |  |  |  | 55 |  |  |  | 747 |
Dividends payable |  |  | 226 |  |  |  | - |  |  |  | 226 |
Lease liability, short-term |  |  | 52 |  |  |  | - |  |  |  | 52 |
Other accrued expenses |  |  | 1,221 |  |  |  | 5 |  |  |  | 1,226 |
Taxes payable |  |  | 3,515 |  |  |  | (43 | ) |  |  | 3,472 |
Note payable, current |  |  | - |  |  |  | - |  |  |  | - |
Total Current Liabilities |  |  | 5,778 |  |  |  | 17 |  |  |  | 5,795 |
Long-Term Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax liability |  |  | 4,681 |  |  |  | 1,216 |  |  |  | 5,897 |
Lease liability, long-term |  |  | 4 |  |  |  | - |  |  |  | 4 |
Total Long-Term Liabilities |  |  | 4,685 |  |  |  | 1,216 |  |  |  | 5,901 |
Total Liabilities |  |  | 10,463 |  |  |  | 1,233 |  |  |  | 11,696 |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |
Shareholders’ Equity |  |  |  |  |  |  |  |  |  |  |  |
Common stock (class A) - $0.025 par value; nonvoting; authorized, 28,000,000 shares; issued, 13,866,913 shares at March 31, 2021, and June 30, 2020 |  |  | 347 |  |  |  | - |  |  |  | 347 |
Common stock (class B) - $0.025 par value; nonvoting; authorized, 4,500,000 shares; no shares issued |  |  | - |  |  |  | - |  |  |  | - |
Convertible common stock (class C) - $0.025 par value; voting; authorized, 3,500,000 shares; issued, 2,068,635 shares at March 31, 2021, and June, 30, 2020 |  |  | 52 |  |  |  | - |  |  |  | 52 |
Additional paid-in-capital |  |  | 15,628 |  |  |  | - |  |  |  | 15,628 |
Treasury stock, class A shares at cost; 883,326 shares and 855,432 shares at March 31, 2021, and June 30, 2020, respectively |  |  | (2,051 | ) |  |  | - |  |  |  | (2,051 | )
Accumulated other comprehensive income (loss), net of tax |  |  | 1,695 |  |  |  | 10,145 |  |  |  | 11,840 |
Retained earnings |  |  | 34,927 |  |  |  | (5,617 | ) |  |  | 29,310 |
Total Shareholders’ Equity |  |  | 50,598 |  |  |  | 4,528 |  |  |  | 55,126 |
Total Liabilities and Shareholders’ Equity |  | $ | 61,061 |  |  | $ | 5,761 |  |  | $ | 66,822 |
Statement of Operations [Member] |
RESTATEMENT OF UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
|  | Nine Months Ended March 31, 2021 |  |  | Three Months Ended March 31, 2021 |
(dollars in thousands, except per share data) |  | As Previously Reported |  |  | Restatement Adjustments |  |  | Other Immaterial Revisions |  |  | As Restated |  |  | As Previously Reported |  |  | Restatement Adjustments |  |  | As Restated |
Operating Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advisory fees |  | $ | 14,168 |  |  | $ | - |  |  | $ | - |  |  | $ | 14,168 |  |  | $ | 6,304 |  |  | $ | - |  |  | $ | 6,304 |
Administrative services fees |  |  | 153 |  |  |  | - |  |  |  | - |  |  |  | 153 |  |  |  | 51 |  |  |  | - |  |  |  | 51 |
Other operating revenue |  |  | 444 |  |  |  | - |  |  |  | (444 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
|  |  | 14,765 |  |  |  | - |  |  |  | (444 | ) |  |  | 14,321 |  |  |  | 6,355 |  |  |  | - |  |  |  | 6,355 |
Operating Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee compensation and benefits |  |  | 5,582 |  |  |  | 60 |  |  |  | - |  |  |  | 5,642 |  |  |  | 1,382 |  |  |  | 60 |  |  |  | 1,442 |
General and administrative |  |  | 4,066 |  |  |  | - |  |  |  | - |  |  |  | 4,066 |  |  |  | 1,528 |  |  |  | - |  |  |  | 1,528 |
Advertising |  |  | 162 |  |  |  | - |  |  |  | - |  |  |  | 162 |  |  |  | 44 |  |  |  | - |  |  |  | 44 |
Depreciation and amortization |  |  | 147 |  |  |  | - |  |  |  | - |  |  |  | 147 |  |  |  | 49 |  |  |  | - |  |  |  | 49 |
|  |  | 9,957 |  |  |  | 60 |  |  |  | - |  |  |  | 10,017 |  |  |  | 3,003 |  |  |  | 60 |  |  |  | 3,063 |
Operating Income (Loss) |  |  | 4,808 |  |  |  | (60 | ) |  |  | (444 | ) |  |  | 4,304 |  |  |  | 3,352 |  |  |  | (60 | ) |  |  | 3,292 |
Other Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment income |  |  | 37,205 |  |  |  | (7,081 | ) |  |  | - |  |  |  | 30,124 |  |  |  | 15,505 |  |  |  | (7,081 | ) |  |  | 8,424 |
Income (loss) from equity method investments |  |  | 420 |  |  |  | - |  |  |  | - |  |  |  | 420 |  |  |  | (64 | ) |  |  | - |  |  |  | (64 | )
Gain on forgiveness of PPP loan |  |  | - |  |  |  | - |  |  |  | 444 |  |  |  | 444 |  |  |  | - |  |  |  | - |  |  |  | - |
Other income |  |  | 92 |  |  |  | - |  |  |  | - |  |  |  | 92 |  |  |  | 33 |  |  |  | - |  |  |  | 33 |
|  |  | 37,717 |  |  |  | (7,081 | ) |  |  | 444 |  |  |  | 31,080 |  |  |  | 15,474 |  |  |  | (7,081 | ) |  |  | 8,393 |
Income from Continuing Operations Before Income Taxes |  |  | 42,525 |  |  |  | (7,141 | ) |  |  | - |  |  |  | 35,384 |  |  |  | 18,826 |  |  |  | (7,141 | ) |  |  | 11,685 |
Provision for Income Taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax expense (benefit) |  |  | 9,696 |  |  |  | (1,524 | ) |  |  | - |  |  |  | 8,172 |  |  |  | 4,602 |  |  |  | (1,524 | ) |  |  | 3,078 |
Net Income |  |  | 32,829 |  |  |  | (5,617 | ) |  |  | - |  |  |  | 27,212 |  |  |  | 14,224 |  |  |  | (5,617 | ) |  |  | 8,607 |
Net Income Attributable to U.S. Global Investors, Inc. |  | $ | 32,829 |  |  | $ | (5,617 | ) |  | $ | - |  |  | $ | 27,212 |  |  | $ | 14,224 |  |  | $ | (5,617 | ) |  | $ | 8,607 |
Earnings Per Share Attributable to U.S. Global Investors, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic Net Income per Share |  | $ | 2.18 |  |  | $ | (0.37 | ) |  | $ | - |  |  | $ | 1.81 |  |  | $ | 0.94 |  |  | $ | (0.37 | ) |  | $ | 0.57 |
Diluted Net Income per Share |  | $ | 2.18 |  |  | $ | (0.37 | ) |  | $ | - |  |  | $ | 1.81 |  |  | $ | 0.94 |  |  | $ | (0.37 | ) |  | $ | 0.57 |
Basic weighted average number of common shares outstanding |  |  | 15,075,064 |  |  |  |  |  |  |  |  |  |  |  | 15,075,064 |  |  |  | 15,061,818 |  |  |  |  |  |  |  | 15,061,818 |
Diluted weighted average number of common shares outstanding |  |  | 15,075,795 |  |  |  |  |  |  |  |  |  |  |  | 15,075,795 |  |  |  | 15,062,988 |  |  |  |  |  |  |  | 15,062,988 |
Statement of Comprehensive Income (Loss) [Member] |
RESTATEMENT OF UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
|  | Nine Months Ended March 31, 2021 |  |  | Three Months Ended March 31, 2021 |
(dollars in thousands) |  | As Previously Reported |  |  | Restatement Adjustments |  |  | As Restated |  |  | As Previously Reported |  |  | Restatement Adjustments |  |  | As Restated |
Net Income (Loss) Attributable to U.S. Global Investors, Inc. |  | $ | 32,829 |  |  | $ | (5,617 | ) |  | $ | 27,212 |  |  | $ | 14,224 |  |  | $ | (5,617 | ) |  | $ | 8,607 |
Other Comprehensive Income, Net of Tax: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains on available-for-sale securities arising during period |  |  | 1,681 |  |  |  | 10,581 |  |  |  | 12,262 |  |  |  | 1,681 |  |  |  | 10,581 |  |  |  | 12,262 |
Less: reclassification adjustment for gains included in net income |  |  | - |  |  |  | (436 | ) |  |  | (436 | ) |  |  | - |  |  |  | (436 | ) |  |  | (436 | )
Net change from available-for-sale securities, net of tax |  |  | 1,681 |  |  |  | 10,145 |  |  |  | 11,826 |  |  |  | 1,681 |  |  |  | 10,145 |  |  |  | 11,826 |
Foreign currency translation adjustment |  |  | 18 |  |  |  | - |  |  |  | 18 |  |  |  | 6 |  |  |  | - |  |  |  | 6 |
Other Comprehensive Income |  |  | 1,699 |  |  |  | 10,145 |  |  |  | 11,844 |  |  |  | 1,687 |  |  |  | 10,145 |  |  |  | 11,832 |
Comprehensive Income Attributable to U.S. Global Investors, Inc. |  | $ | 34,528 |  |  | $ | 4,528 |  |  | $ | 39,056 |  |  | $ | 15,911 |  |  | $ | 4,528 |  |  | $ | 20,439 |
Statement of Shareholders' Equity [Member] |
RESTATEMENT OF UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
Balance at March 31, 2021 (dollars in thousands) |  | As Previously Reported |  |  | Restatement Adjustments |  |  | As Restated |
Accumulated Other Comprehensive Income (Loss) |  | $ | 1,695 |  |  | $ | 10,145 |  |  | $ | 11,840 |
Retained Earnings |  | $ | 34,927 |  |  | $ | (5,617 | ) |  | $ | 29,310 |
Total |  | $ | 50,598 |  |  | $ | 4,528 |  |  | $ | 55,126 |
Statement of Cash Flows [Member] |
RESTATEMENT OF UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS (Tables) [Line Items] |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
|  | Nine Months Ended March 31, 2021 |
(dollars in thousands) |  | As Previously Reported |  |  | Restatement Adjustments |  |  | Other Immaterial Revisions |  |  | As Restated |
Cash Flows from Operating Activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 32,829 |  |  | $ | (5,617 | ) |  | $ | - |  |  | $ | 27,212 |
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  | 147 |  |  |  | - |  |  |  | - |  |  |  | 147 |
Net recognized loss on disposal of fixed assets |  |  | 7 |  |  |  | - |  |  |  | - |  |  |  | 7 |
Net recognized gain on securities |  |  | (15,506 | ) |  |  | - |  |  |  | - |  |  |  | (15,506 | )
Amortization of premium on debt securities |  |  | - |  |  |  | 83 |  |  |  | - |  |  |  | 83 |
Accretion of discount on debt securities |  |  | - |  |  |  | (552 | ) |  |  | - |  |  |  | (552 | )
Unrealized investment (gains) losses on securities |  |  | - |  |  |  | 7,550 |  |  |  | (21,226 | ) |  |  | (13,676 | )
Investment basis adjustment |  |  | 27 |  |  |  | - |  |  |  | - |  |  |  | 27 |
Gain on disposal of Galileo |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Net (income) loss from equity method investment |  |  | (420 | ) |  |  | - |  |  |  | - |  |  |  | (420 | )
Net loss from discontinued operations, net of tax |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Foreign currency transaction loss |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Provision for deferred taxes |  |  | 4,234 |  |  |  | (1,481 | ) |  |  | - |  |  |  | 2,753 |
Stock bonuses |  |  | 18 |  |  |  | - |  |  |  | - |  |  |  | 18 |
PPP loan forgiveness |  |  | (444 | ) |  |  | - |  |  |  | - |  |  |  | (444 | )
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable and other receivables |  |  | (1,671 | ) |  |  | - |  |  |  | - |  |  |  | (1,671 | )
Prepaid expenses and other assets |  |  | (117 | ) |  |  | - |  |  |  | - |  |  |  | (117 | )
Investment securities |  |  | (21,226 | ) |  |  | - |  |  |  | 21,226 |  |  |  | - |
Accounts payable and accrued expenses |  |  | 4,062 |  |  |  | 17 |  |  |  | - |  |  |  | 4,079 |
Total adjustments |  |  | (30,889 | ) |  |  | 5,617 |  |  |  | - |  |  |  | (25,272 | )
Net cash provided by operating activities |  |  | 1,940 |  |  |  | - |  |  |  | - |  |  |  | 1,940 |
Cash Flows from Investing Activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of property and equipment |  |  | (36 | ) |  |  | - |  |  |  | - |  |  |  | (36 | )
Purchase of investments in securities at fair value, non-current |  |  | (135 | ) |  |  | (5,853 | ) |  |  | - |  |  |  | (5,988 | )
Purchase of other investments |  |  | (665 | ) |  |  | - |  |  |  | - |  |  |  | (665 | )
Purchase of held-to-maturity investments |  |  | (1,000 | ) |  |  | - |  |  |  | - |  |  |  | (1,000 | )
Purchase of available-for-sale investments |  |  | (15,000 | ) |  |  | 5,853 |  |  |  | - |  |  |  | (9,147 | )
Proceeds from sale of Galileo |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Proceeds on sale of non-current investments |  |  | 22,355 |  |  |  | - |  |  |  | - |  |  |  | 22,355 |
Proceeds from maturity of corporate bonds |  |  | 658 |  |  |  | - |  |  |  | - |  |  |  | 658 |
Return of capital on investments |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Net cash provided by investing activities |  |  | 6,177 |  |  |  | - |  |  |  | - |  |  |  | 6,177 |
Cash Flows from Financing Activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock |  |  | 4 |  |  |  | - |  |  |  | - |  |  |  | 4 |
Repurchases of common stock |  |  | (189 | ) |  |  | - |  |  |  | - |  |  |  | (189 | )
Dividends paid |  |  | (414 | ) |  |  | - |  |  |  | - |  |  |  | (414 | )
Net cash used in financing activities |  |  | (599 | ) |  |  | - |  |  |  | - |  |  |  | (599 | )
Net increase in cash, cash equivalents, and restricted cash |  |  | 7,518 |  |  |  | - |  |  |  | - |  |  |  | 7,518 |
Beginning cash, cash equivalents, and restricted cash |  |  | 2,961 |  |  |  | - |  |  |  | - |  |  |  | 2,961 |
Ending cash, cash equivalents, and restricted cash |  | $ | 10,479 |  |  | $ | - |  |  | $ | - |  |  | $ | 10,479 |
Supplemental Disclosures of Cash Flow Information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash paid for income taxes |  | $ | 1,902 |  |  |  |  |  |  |  |  |  |  | $ | 1,902 |
|  | Nine Months Ended March 31, 2020 |
(dollars in thousands) |  | As Previously Reported |  |  | Other Immaterial Revisions |  |  | As Restated |
Cash Flows from Operating Activities: |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (6,300 | ) |  | $ | - |  |  | $ | (6,300 | )
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |  |  |
Depreciation and amortization |  |  | 152 |  |  |  | - |  |  |  | 152 |
Unrealized investment losses on securities |  |  | - |  |  |  | 3,995 |  |  |  | 3,995 |
Investment basis adjustment |  |  | (49 | ) |  |  | - |  |  |  | (49 | )
Gain on disposal of Galileo |  |  | (151 | ) |  |  | - |  |  |  | (151 | )
Net loss from equity method investment |  |  | 146 |  |  |  | - |  |  |  | 146 |
Net loss from discontinued operations, net of tax |  |  | 338 |  |  |  | - |  |  |  | 338 |
Foreign currency transaction loss |  |  | 228 |  |  |  | - |  |  |  | 228 |
Provision for deferred taxes |  |  | (139 | ) |  |  | - |  |  |  | (139 | )
Stock bonuses |  |  | 3 |  |  |  | - |  |  |  | 3 |
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable and other receivables |  |  | 108 |  |  |  | - |  |  |  | 108 |
Prepaid expenses and other assets |  |  | (148 | ) |  |  | - |  |  |  | (148 | )
Investment securities |  |  | 5,707 |  |  |  | (5,707 | ) |  |  | - |
Accounts payable and accrued expenses |  |  | 456 |  |  |  | - |  |  |  | 456 |
Total adjustments |  |  | 6,651 |  |  |  | (1,712 | ) |  |  | 4,939 |
Net cash provided by (used in) operating activities |  |  | 351 |  |  |  | (1,712 | ) |  |  | (1,361 | )
Cash Flows from Investing Activities: |  |  |  |  |  |  |  |  |  |  |  |
Purchase of other investments |  |  | (75 | ) |  |  | - |  |  |  | (75 | )
Proceeds from sale of Galileo |  |  | 746 |  |  |  | - |  |  |  | 746 |
Proceeds on sale of current investments |  |  | - |  |  |  | 1,712 |  |  |  | 1,712 |
Return of capital on investments |  |  | 10 |  |  |  | - |  |  |  | 10 |
Net cash provided by investing activities |  |  | 681 |  |  |  | 1,712 |  |  |  | 2,393 |
Cash Flows from Financing Activities: |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock |  |  | 2 |  |  |  | - |  |  |  | 2 |
Repurchases of common stock |  |  | (74 | ) |  |  | - |  |  |  | (74 | )
Dividends paid |  |  | (340 | ) |  |  | - |  |  |  | (340 | )
Net cash used in financing activities |  |  | (412 | ) |  |  | - |  |  |  | (412 | )
Net increase in cash, cash equivalents, and restricted cash |  |  | 620 |  |  |  | - |  |  |  | 620 |
Beginning cash, cash equivalents, and restricted cash |  |  | 2,491 |  |  |  | - |  |  |  | 2,491 |
Ending cash, cash equivalents, and restricted cash |  | $ | 3,111 |  |  | $ | - |  |  | $ | 3,111 |

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